2003. 10.0 1 the numbering form of the latest patent application number (*** 12 digits, plus a decimal point).
Application year number+patent application type+application sequence number+computer check bit.
1, the first four digits indicate the year of application, for example, this year's application is 20 15.
2. The second paragraph consists of the fifth digit, indicating the application type, where the fifth digit indicates the application type: for example, 1= application for a patent for invention 2= application for a patent for utility model 3= application for a patent for design 8= application for a patent for invention in China National Phase 9= application for a patent for utility model in China National Phase.
3. The third paragraph consists of the sixth to twelfth digits, representing the serial number of the application of this category in the current year;
4. The fourth paragraph consists of the last digit or symbol, which is a check bit automatically generated by the computer and given by the computer.
Individuals can inquire in/China Patent Inquiry System. The patent number of the patent that has been authorized, that is, the patent number on the authorization certificate issued by China National Intellectual Property Administration, is the application number in front of ZL. For example, the patent number granted by XXX is ZL2003 10 100002.